Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (c) 2021 Rockchip Electronics Co., Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *	Dingqiang Lin <jon.lin@rock-chips.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/mtd/spinand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define SPINAND_MFR_SILICONGO		0xEA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static SPINAND_OP_VARIANTS(read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static SPINAND_OP_VARIANTS(write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		SPINAND_PROG_LOAD(true, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static SPINAND_OP_VARIANTS(update_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		SPINAND_PROG_LOAD(false, 0, NULL, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static int sgm7000i_ooblayout_ecc(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 				  struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int sgm7000i_ooblayout_free(struct mtd_info *mtd, int section,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 				   struct mtd_oob_region *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	if (section)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	region->offset = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	region->length = mtd->oobsize - 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static const struct mtd_ooblayout_ops sgm7000i_ooblayout = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	.ecc = sgm7000i_ooblayout_ecc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	.free = sgm7000i_ooblayout_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static const struct spinand_info silicongo_spinand_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	SPINAND_INFO("SGM7000I-S24W1GH",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xC1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		     NAND_ECCREQ(4, 512),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 					      &write_cache_variants,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 					      &update_cache_variants),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		     SPINAND_HAS_QE_BIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		     SPINAND_ECCINFO(&sgm7000i_ooblayout, NULL)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static const struct spinand_manufacturer_ops silicongo_spinand_manuf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) const struct spinand_manufacturer silicongo_spinand_manufacturer = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	.id = SPINAND_MFR_SILICONGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	.name = "silicongo",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	.chips = silicongo_spinand_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	.nchips = ARRAY_SIZE(silicongo_spinand_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	.ops = &silicongo_spinand_manuf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };